这意味着要确保声音传递诸如方向与速度，以及汽车是否在加速或减速等信息。

That means ensuring the sounds convey information, such as direction and speed, and whether the vehicle is accelerating or slowing.

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研究结果使人们理解(在特定情境下)耳朵大体上是怎样将声音传递到大脑的。

These results make the most sense (when placed in the context) of how the ear conveys sounds in general to the brain.

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在这个传递和反射的过程中，声音发生了变化，回声的变化使蝙蝠能够感知到目标的特征。

In this process of transmission and reflection, the sounds are changed, and the changes in the echoes enable the bat to perceive features of the target.

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